61.  From the given option find out the correct pair ?

A. Mesofauna - Earthworm

B. Macrofauna - spider

C. Microfauna - fungi

D. None of these

Answer : Option C

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62.  

Mathc column I with column II
Column - I            Column - II
1. Mutualism        (p) Barnacles
2. Competition     (q) Tiger
3. Predation         (r) Mites
4. Parasitism       (s) Sea anemone

A. (1-s), (2-r), (3-p) (4-q)

B. (1-r), (2-s), (3-q) (4-p)

C. (1-s), (2-p), (3-q) (4-r)

D. (1-q), (2-r), (3-s) (4-p)

Answer : Option C

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63.  

Give correct option for the given true and false statements
(i) Some insects, birds and mammals living in warm and dry climate have more darker black
pigments than the races of same species living in cold and humid climate.
(ii) Tempreture variation is much lesser in aquatic habitat compared to terrestrial habitat
(iii) In deep fresh water lakes, there is gradual incrase in tempreture from surface to the bottem
(iv) In an aquatic habitat production increases with insing depth.

(T =True, F = False)

A. FFFF

B. TFTF

C. TTFT

D. FTFT

Answer : Option D

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64.  ‘X’ is an example of Mutualism and ‘Y’is an example of succession then which is the correct realtionship ?

A. X = Hermit Grab Y = Gastropod

B. X= Sea anemore Y = mesosere Succession

C. X = Lichen Y = Xerosere

D. X= Lichen Y= Hydrosere

Answer : Option C

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65.  At ‘t’ time, population density is ‘N’ and at t+1 time population density is Nt+1/If Nt+1 - Nt then find out the correct option

A. B-D +I-E ? 0

B. B-D+I-E = 0

C. B+D-I+E +0

D. B+D-I+E ? 0

Answer : Option B

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66.  

Find out correct option P,Q,R,S, from the given diagram

P        Q           R         S

A. population organism Ecosystem Biotic community

B. Organism population Biotic community Ecosystem

C. Ecosystem Biotic community population Species

D. Biotic community Ecosystem Species population

Answer : Option B

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67.  Which of the following is not included as the climax community of general processof succession ?

A. Sedge-meadow stage

B. phytoplanktones

C. Forest

D. Grassland

Answer : Option B

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68.  How mandy sq. km. area of biosphere is occupied by marine habitat. ?

A. 3,62,000,000

B. 36 crore 20 lacs

C. 36,20 Million

D. all of these

Answer : Option D

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69.  

Whats percentage of earth is occupied by marine habitat ?

(1) 71% (2) 4 % (3) 67% (4) 29%

A. 1,2

B. 2,3

C. 1,4

D. 1

Answer : Option D

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70.  What is the composition of soil with high waterlogging capicity ?

A. Sandy soil

B. Black soil (loan soil)

C. Rocky soil

D. Any one of these

Answer : Option B

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